#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
	int sum = 0;
  for(int i = 1;i<=n;i++){
    int t;
    cin >> t;
    sum += t;
  }
  cout << sum<< " ";
    cout<<fixed<<setprecision(5)<< sum *1.0/n<<endl;
    return 0;
}